MS. CASSANDRA ZIMMERMAN OTR/L
NPI 1417498445
Occupational Therapist in Portland, OR
About Ms. Cassandra Zimmerman Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CASSANDRA ZIMMERMAN OTR/L (NPI 1417498445) is an individual occupational therapist in Portland, Oregon, licensed in Oregon (472343) and active in the NPI registry since March 2017. She is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Cassandra Zimmerman Otr/l is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Cassandra Zimmerman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97209
- Reassigned Medicare billing, Oregon enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cassandra Zimmerman's NPI number?
The NPI number for Cassandra Zimmerman is 1417498445. It was assigned to this individual provider in the NPPES registry on March 9, 2017.
Where is Cassandra Zimmerman located?
Cassandra Zimmerman practices at 9025 NE Fremont St, Portland, OR 97220. The listed phone number is (303) 907-3678.
What is Cassandra Zimmerman's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Cassandra Zimmerman enrolled in Medicare?
Yes. Cassandra Zimmerman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Cassandra Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Zimmerman reassigns Medicare benefits to Holistic Community Therapy LLC (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cassandra Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassandra Zimmerman accept?
Health plans from BridgeSpan Health Company and Regence BlueCross BlueShield of Oregon list Cassandra Zimmerman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Cassandra Zimmerman was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.